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@article{1322836,
author = {Prokop, Zbyněk and Nečasová, Anežka and Klánová, Jana and Čupr, Pavel},
article_location = {HEIDELBERG (GERMANY)},
article_number = {5},
doi = {http://dx.doi.org/10.1007/s11356-015-5555-7},
keywords = {Bioavailability; Mobility; Ecotoxicological evaluation; Toxicity; Soil contamination; Bioremediation; Risk identification/assessment},
language = {eng},
issn = {0944-1344},
journal = {Environmental Science and Pollution Research},
title = {Bioavailability and mobility of organic contaminants in soil: new three-step ecotoxicological evaluation},
url = {http://link.springer.com/article/10.1007%2Fs11356-015-5555-7},
volume = {23},
year = {2016}
}
TY - JOUR
ID - 1322836
AU - Prokop, Zbyněk - Nečasová, Anežka - Klánová, Jana - Čupr, Pavel
PY - 2016
TI - Bioavailability and mobility of organic contaminants in soil: new three-step ecotoxicological evaluation
JF - Environmental Science and Pollution Research
VL - 23
IS - 5
SP - 4312-4319
EP - 4312-4319
PB - SPRINGER HEIDELBERG
SN - 09441344
KW - Bioavailability
KW - Mobility
KW - Ecotoxicological evaluation
KW - Toxicity
KW - Soil contamination
KW - Bioremediation
KW - Risk identification/assessment
UR - http://link.springer.com/article/10.1007%2Fs11356-015-5555-7
L2 - http://link.springer.com/article/10.1007%2Fs11356-015-5555-7
N2 - A novel approach was developed for rapid assessment of bioavailability and potential mobility of contaminants in soil. The response of the same test organism to the organic extract, water extract and solid phase of soil was recorded and compared. This approach was designed to give an initial estimate of the total organic toxicity (response to organic extractable fraction), as well as the mobile (response to water extract) and bioavailable fraction (response to solid phase) of soil samples. Eighteen soil samples with different levels of pollution and content of organic carbon were selected to validate the novel three-step ecotoxicological evaluation approach. All samples were chemically analysed for priority contaminants, including aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), hexachlorocyclohexane (HCH) and dichlordiphenyltrichloroethane (DDT). The ecotoxicological evaluation involved determination of toxicity of the organic, mobile and bioavailable fractions of soil to the test organism, bacterium Bacillus cereus. We found a good correlation between the chemical analysis and the toxicity of organic extract. The low toxicity of water extracts indicated low water solubility, and thus, low potential mobility of toxic contaminants present in the soil samples. The toxicity of the bioavailable fraction was significantly greater than the toxicity of water-soluble (mobile) fraction of the contaminants as deduced from comparing untreated samples and water extracts. The bioavailability of the contaminants decreased with increasing concentrations of organic carbon in evaluated soil samples. In conclusion, the three-step ecotoxicological evaluation utilised in this study can give a quick insight into soil contamination in context with bioavailability and mobility of the contaminants present. This information can be useful for hazard identification and risk assessment of soil-associated contaminants.
ER -
PROKOP, Zbyněk, Anežka NEČASOVÁ, Jana KLÁNOVÁ and Pavel ČUPR. Bioavailability and mobility of organic contaminants in soil: new three-step ecotoxicological evaluation. \textit{Environmental Science and Pollution Research}. HEIDELBERG (GERMANY): SPRINGER HEIDELBERG, 2016, vol.~23, No~5, p.~4312-4319. ISSN~0944-1344. Available from: https://dx.doi.org/10.1007/s11356-015-5555-7.
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